2 . 我亲眼见证了这对年轻的夫妻如何熬过了他们人生中最困难的时期。(witness, get through) (汉译英)

3 . When changing lanes, a driver should use his turning signal to let other drivers know _____ lane he is entering. (用适当的词填空)

4 . In 1963 the UN set up the World Food Programme, one of ________ purposes is to relieve worldwide starvation.

A．which

B．its

C．whose

D．whom

5 . Linda walked through the door into the waiting area in the hospital, ________ there is always an atmosphere of boredom and tension.

A．when

B．that

C．which

D．where

6 . There are some health problems that, when not ___________(treat) in time, can become bigger ones later on. (所给词的适当形式填空)

7 . It was not until 1936 ______ baseball became a regular part of Olympic Games. (用适当的词填空)

8 . I would appreciate ________ if you could let me know in advance whether or not you will come. (用适当的词填空)

9 . The film brought the hours back to me ________ I was taken good care of in that far-away village.

A．when

B．until

C．that

D．where

10 . John invited about 40 people to his wedding, most of ________ were family members. (用适当的词填空)